.about-story{padding-top:clamp(4rem,8vw,7rem);padding-bottom:clamp(5rem,9vw,8rem)}
.about-introduction{padding-bottom:clamp(4rem,8vw,7rem)}
.about-index{color:#9b7d3f;font-family:Georgia,serif;font-size:.9rem;letter-spacing:.12em}
.about-introduction .about-index{display:inline-block;margin:0 .75rem 0 0}
.about-introduction .eyebrow{display:inline}
.about-story h2{margin:.35rem 0 1.25rem;color:#09263e;font-family:Georgia,"Times New Roman",serif;font-size:clamp(2rem,4vw,3.4rem);font-weight:500;letter-spacing:-.035em}
.about-copy{margin:0;color:#405565;font-size:1.05rem;line-height:1.95;white-space:pre-line}
.about-principles{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #cbd9dc;border-bottom:1px solid #cbd9dc}
.about-principles article{position:relative;min-height:24rem;padding:2.4rem clamp(1.4rem,3vw,2.8rem) 3rem}
.about-principles article+article{border-left:1px solid #cbd9dc}
.about-principles .about-index{position:absolute;right:1.5rem;top:1.6rem;font-size:2.7rem;color:rgba(9,38,62,.09)}
.about-principles h2{font-size:clamp(1.75rem,3vw,2.5rem)}
@media(max-width:760px){.about-principles{grid-template-columns:1fr}.about-principles article{min-height:0}.about-principles article+article{border-left:0;border-top:1px solid #cbd9dc}}
.about-slogan{position:relative;padding:clamp(4.6rem,7vw,7rem) 0;text-align:center;background:#06182b;color:#fff;overflow:hidden}
.about-slogan:before{content:"";position:absolute;inset:0;background:radial-gradient(70% 130% at 50% -10%,rgba(215,181,109,.18),transparent 60%)}
.about-slogan .container{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:1.4rem}
.about-slogan-mark{width:46px;height:2px;background:#d7b56d}
.about-slogan-text{margin:0;max-width:min(100%,56ch);color:#fff;font-family:Georgia,"Times New Roman",serif;font-size:clamp(1.9rem,4.6vw,3.4rem);font-weight:500;letter-spacing:-.02em;line-height:1.4;text-wrap:balance}
.about-slogan-text.lang-en,.about-slogan-text.lang-mn{font-size:clamp(1.6rem,3.4vw,2.5rem);line-height:1.35}

/* 05 · 联系方式 — 深色卡片 + 内金色描边，四项网格，移动端自动降为单列 */
.about-contact{position:relative;padding:clamp(4.2rem,7vw,6.5rem) 0 clamp(4.6rem,7.4vw,7rem);background:#06182b;color:#fff;overflow:hidden}
.about-contact::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 120% at 100% 100%,rgba(215,181,109,.12),transparent 60%)}
.about-contact-inner{position:relative;z-index:1}
.about-contact-index{display:inline-block;color:#d7b56d;font-family:Georgia,"Times New Roman",serif;font-size:.9rem;letter-spacing:.12em;margin:0 0 .6rem}
.about-contact-eyebrow{display:inline-block;font-size:.8rem;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.55);margin:0 0 .5rem}
.about-contact h2{margin:0 0 clamp(2rem,4vw,3rem);color:#fff;font-family:Georgia,"Times New Roman",serif;font-size:clamp(2rem,4vw,3rem);font-weight:500;letter-spacing:-.03em}
.about-contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.2rem 2rem}
.about-contact-item{display:flex;align-items:center;gap:1rem;padding:1.2rem 1.35rem;border:1px solid rgba(215,181,109,.38);border-radius:14px;background:rgba(215,181,109,.12);box-shadow:inset 0 1px 0 rgba(215,181,109,.18);text-decoration:none;color:#fff;transition:border-color .18s ease,background-color .18s ease,transform .18s ease}
.about-contact-item:hover{border-color:#d7b56d;background:rgba(215,181,109,.24);transform:translateY(-1px)}
.about-contact-item:hover .about-contact-value{color:#d7b56d}
.about-contact-text{display:flex;flex-direction:column;justify-content:center;gap:.18rem;min-width:0}
.about-contact-icon{flex:0 0 40px;width:40px;height:40px;border-radius:10px;background:rgba(215,181,109,.14);display:inline-flex;align-items:center;justify-content:center;color:#d7b56d}
.about-contact-icon svg{width:20px;height:20px;fill:currentColor}
.about-contact-label{display:block;font-size:.78rem;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.72)}
.about-contact-value{display:block;color:#fff;font-size:1.06rem;font-weight:500;line-height:1.55;letter-spacing:.01em;word-break:break-word;transition:color .18s ease}
@media(max-width:760px){.about-contact-grid{grid-template-columns:1fr}.about-contact-item{padding:1rem 1.1rem}}